13263242465 has 16 divisors (see below), whose sum is σ = 17378841600. Its totient is φ = 9637077120.

The previous prime is 13263242453. The next prime is 13263242477. The reversal of 13263242465 is 56424236231.

It is an interprime number because it is at equal distance from previous prime (13263242453) and next prime (13263242477).

It is not a de Polignac number, because 13263242465 - 2⁴ = 13263242449 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51140 + ... + 170709.

It is an arithmetic number, because the mean of its divisors is an integer number (1086177600).

Almost surely, 2^13263242465 is an apocalyptic number.

It is an amenable number.

13263242465 is a deficient number, since it is larger than the sum of its proper divisors (4115599135).

13263242465 is a wasteful number, since it uses less digits than its factorization.

13263242465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222952.

The product of its digits is 207360, while the sum is 38.

Adding to 13263242465 its reverse (56424236231), we get a palindrome (69687478696).

The spelling of 13263242465 in words is "thirteen billion, two hundred sixty-three million, two hundred forty-two thousand, four hundred sixty-five".